Title :
Observation of broadband self-collimation in fs laser-written waveguide arrays
Author :
Szameit, Alexander ; Garanovich, Ivan L. ; Heinrich, Matthias ; Sukhorukov, Andrey A. ; Dreisow, Felix ; Pertsch, Thomas ; Nolte, Stefan ; Tunnermann, Andreas ; Kivshar, Yuri S.
Author_Institution :
Inst. of Appl. Phys., Friedrich-Schiller-Univ. Jena, Jena
Abstract :
We report on the first experimental observation of self-collimation of white-light beams in specially designed fs laser-written curved waveguide arrays, where discrete diffraction was suppressed over the spectral range extending from blue to infrared wavelengths.
Keywords :
diffraction gratings; high-speed optical techniques; optical collimators; optical waveguides; broadband self-collimation; discrete diffraction; femtosecond waveguide arrays; infrared wavelengths; laser-written waveguide arrays; white-light beams; Diffraction; Integrated optics; Laser beams; Laser theory; Optical arrays; Optical coupling; Optical devices; Optical waveguides; Physics; Waveguide lasers; (130.3120) Integrated optics devices; (350.3390) Laser materials processing;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9